kyotolt23_20190222.pdf

Transcript

1. 4XJGUͰ΋3VOUJNF
   &YDFQUJPOΩϟον͕͍ͨ͠ ߐຊ
   ޫ੖
   
   ,ZPUP-5
    !1
2. ࣗݾ঺հ w ͑΋ͱΈͭ͸Δ
   w γʔαʔגࣜձࣾ
   w J04ΞϓϦͱػցֶशΛ༻͍ͨαʔϏεͷ։ൃ !2
3. ࢝ΊΔલʹ w αϯϓϧίʔυ͸
   4XJGU
   ͷॻࣜͰ͢
   w γϯϓϧͳͷͰଞݴޠΛ஌ͬͯΕ͹෼͔Δఔ౓Ͱ͢
   w ࡶίʔυͳͷͰίʔυࣗମʹ͸ҙຯ͸͋Γ·ͤΜ !3
4. 3VOUJNF
   &YDFQUJPO w ࣮ߦ࣌ྫ֎
   w ίϯύΠϥͰ͸ݟ͚ͭΒΕͳ͍ྫ֎
   w ΞϓϦ࣮ߦதʹൃੜͨ͠Βɼଈ࣌ʹΫϥογϡ͢Δ
   w ίʔσΟϯάͰ͸ৗʹҙࣝ͢΂͖͜ͱͷͭ !4
5. ྫ͑͹ w ഑ྻʹΞΫηε͢Δͱ͖͸ɼ֬อͨ͠ཁૉ਺Ҏ্ͷJOEFY ʹΞΫηεͯ͠͸͍͚ͳ͍
   w ΞΫηε͍ͨ͠JOEFY͕഑ྻͷཁૉʹؚ·ΕΔ͔Λࣄલʹ ֬ೝ͢Δ͜ͱͰճආͰ͖Δ let temps = [0, 1, 2] let index = 10 if 0 <= index && index < temps.count{ let temp = temps[index] } let temps = [0, 1, 2] let index = 10 let temp = temps[index] // Ϋϥογϡ !5
6. ྫ֎ͱίʔσΟϯά w ϥϯλΠϜྫ֎͕ى͜Βͳ͍Α͏ʹࣄલ֬ೝΛߦ͏ඞཁ͕ ͋Δ͕ɼෳࡶͳॲཧ΍֎తཁҼͳͲͰ೉͍͠৔߹΋͋Δ
   w Ϣʔβʔ΍"1*͔Βͷෆఆͳσʔλೖྗ
   w ͍͔ͭ͘ͷॲཧ͕ॏͳͬͨෳࡶͳγʔϯ
   w ͍͔ͭ͘ͷϓϩάϥϛϯάݴޠʹ͸ىͬͨ͜ྫ֎ΛΩϟο νͯ͠ɼద੾ͳॲཧͰΫϥογϡͤ͞ͳ͍ػೳ͕͋Δ !6
7. 4XJGUͷྫ֎Ωϟον w ྫ֎Ωϟον͸
   UISPX
   Λ࣮૷ͨ͠ϝιουʹରͯ͠ɼྫ ֎ΛΩϟονͰ͖Δ
   w ϥϯλΠϜྫ֎͸
   USZDBUDI
   Ͱғͬͯ΋ΩϟονͰ͖ͳ͍ do{ ɹtry hogehoge() }catch{ ... } do{ let temps = [0, 1, 2] try let temp = temps[10] // Ϗϧυ΋Ͱ͖ͳ͍ }catch{ ... } !7
8. ʘ ?P? ʗ !8
9. !9
10. 0CKFDUJWF$
    ͩͱ
    ΩϟονͰ͖ͯͨΑͶ !10
11. ࡞Γ·ͨ͠ w 0CK$
    Ͱॲཧ࣮ߦͱىͬͨ͜ ྫ֎Λฦ͢&YD#MPDL
    w ͦΕΛ4XJGUͰݺͼ·͢
    w σϞͰͦͷಈ͖ΛΈ͍ͯͩ͘͞ ExcBlock.execute({ let temps = [0, 1, 2] print("\(temps[10])") }) { (exception) in print(exception) } !11
12. μϝͰͨ͠ w 4XJGUͷྫ֎͸0CK$Ͱ͸ΩϟονͰ͖ͳ͍
    w 0CK$
    ͰΩϟονग़དྷΔྫ֎͸/4&YDFQUJPO
    w 4XJGU͕౤͛Δྫ֎͸4XJGU&SSPS !12
13. ͖͋ΒΊͳ͍ w ॲཧ෦΋
    0CK$
    ʹͯ͠͠·͑͹͍͍ͷͰ͸ͳ͍͔ʁ
    w 5BCMF7JFXͷηϧߋ৽ͷσϞΛ࡞Γ·ͨ͠ // ࣮૷Πϝʔδ -(void)exc_hogehoge:(Completion)completion{ @try { [self hogehoge]; } @catch (NSException *exception) { completion(exception); } @finally { } } !13
14. ΩϟονͰ͖ͨ w ॲཧ෦΋
    0CK$
    ʹ೚ͤͨΒɼಈ͍ͨ
    w ͍΍ͦΕ΋͏࣮࣭
    0CK$
    ͷίʔυͰ͸ʁ !14
15. ͓·͚ w 'PSUJGZ
    
    IUUQTHJUIVCDPNKPIOOP'PSUJGZ
    
    w ྫ֎ΩϟονͰ͸ͳ͘ɼΫϥογϡͨ͠ΞϓϦΛ෮ؼ͞ ͤΔͱ͍͏ຊ౰ͷࠇຐज़
    w %2Ͱྫ͑ΔͱɼUSZDBUDI͸ʮṫࢮʯʹʮϗΠϛʯͰɼ 'PSUJGZ͸ʮ͠ʹʯʹʮβΦϥϧʯ
    w GBUBM&SSPS͔Β෮ؼͤ͞Δෆࢥٞͳ4XJGUϥΠϒϥϦ'PSUJGZ ΛಡΈղ͘
    
    2JJUB
    
    IUUQTRJJUBDPNVLJUBLBJUFNT FGFBEGC
    !15
16. ·ͱΊ w 4XJGU
    Ͱ΋ϥϯλΠϜྫ֎͸ΩϟονͰ͖·͢
    w 2JJUBʹ΋౤ߘͯ͠·͢
    IUUQTRJJUBDPN NJUTVIBSV@FJUFNTFEDE
    w ιʔείʔυ͸ͪ͜Β
    IUUQTHJUJPGIV/
    w 0CK$Λҙࣝͤ͞ͳ͍Α͏ʹϥΠϒϥϦΛ࡞Γ·ͨ͠
    w IUUQTHJUIVCDPNNJUTVIBSV.&0&YDFQUJPO !16